Nobles Scout 37B, Operator And Parts Manual

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MAINTENANCE
Scout
t
37B (3--01)
30
A
B
C
D
01221
DRIVE WHEEL
A. Drive Wheel
B. Flat Propelling Belt
C. Retaining Bolt
D. Spacer
9. Slide the flat propelling belt off the drive
wheel.
10. Remove the drive wheel.
11. Remove the flat propelling belt.
12. Slide new flat propelling belt over the belt
idler pulley.
13. Position flat propelling belt over the pulley
portion of the drive wheel and slide drive
wheel into position in machine.
14. Slide the drive wheel retaining bolt through
the frame cutout, the drive wheel, and the
other side frame cutout.
NOTE: Make sure drive wheel spacers removed
earlier are placed in the same positions.
15. Thread the retaining nut onto the retaining
bolt and tighten.
16. Carefully tip the machine back into the
“operating” position.
17. Reinstall the batteries in the machine.
18. Reconnect the batteries-to-machine
connector.
19. Replace the debris hopper and battery
cover.
20. Adjust the clutch cable as described in TO
ADJUST FLAT PROPELLING BELT .
MOTOR DRIVE BELT
The motor drive belt transfers power from the
electric motor to the vacuum fan and the motor
jackshaft. Check the belt for wear after every 80
hours of operation. Check the belt tension after
every 160 hours of operation.
TO CHECK AND ADJUST MOTOR DRIVE BELT
1. Place the master power switch in the “off”
position.
FOR SAFETY: Before Leaving Or Servicing
Machine, Stop On Level Surface, Turn Off
Machine And Remove Key.
2. Unlatch and remove the rear filter cover.
3. Remove the rear shroud.
4. Check the motor drive belt deflection on the
span between the motor sheave and the
vacuum fan sheave. Proper belt deflection is
0.25 in (5 mm) from a force of 5 to 9 lb
(2.3 to 4 kg). Burrough’s Tensiometer
reading -- 55. If the belt does not deflect the
proper amount, adjust as follows.
A
B
C
01222
CHECKING MOTOR DRIVE BELT
DEFLECTION
A. Motor Drive Belt
B. Belt Tension Gauge
C. Motor Mounting Nut
5. Loosen the electric motor mounting nuts.
6. Pull the motor back to tighten the belt. Do
not pry on the motor.
7. Tighten the electric motor mounting bolts.